﻿using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Windows;
using System.Windows.Browser;
using ImageUploaderComponent;
using ImageUploaderComponent.Data;

namespace ImageUploaderComponant {
    public partial class App : Application {
        private UploaderViewModel viewModel;

        public App() {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.applicationUnhandledException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e) {
            var control = new UploaderControl();

            RootVisual = control;
            using (var service = new DataStorageMediator()) {
                viewModel = service.GetViewModelsForImages(0);
                foreach (KeyValuePair<string, string> keyValuePair in e.InitParams){
                    Debug.WriteLine(keyValuePair.Key + " " + keyValuePair.Value + Environment.NewLine);
                }
                viewModel.SkillId = e.InitParams["skillId"];
                viewModel.SkillKeyId = int.Parse(e.InitParams["skillKeyId"]);
                viewModel.SkillName = e.InitParams["skillName"];
                viewModel.ClientId = e.InitParams["clientId"];
                viewModel.UserId = int.Parse(e.InitParams["userId"]);
                control.DataContext = viewModel;
            }
        }

        private void Application_Exit(object sender, EventArgs e) {
            hideSilverlightWindow();
        }

        private void hideSilverlightWindow() {
            //HtmlPage.Window.Invoke("destroySilverlightWindow", null);
        }

        private void applicationUnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e) {
            hideSilverlightWindow();
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached) {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
            }
        }

        private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e) {
            try {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
                errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

                System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
            }
            catch (Exception) {
            }
        }
    }
}
